Update description

ecs/Dockerfile

@@ -41,12 +41,12 @@ ENV TERM=xterm \
     HOME=/home/ejabberd \
     VERSION=${VERSION:-latest}
 LABEL maintainer="ProcessOne <contact@process-one.net>" \
-      product="Ejabberd Community Server" \
+      product="Ejabberd Community Server Official Docker Image" \
       version=$VERSION \
       org.label-schema.vcs-ref=$VCS_REF \
       org.label-schema.vcs-url="https://github.com/processone/docker-ejabberd" \
       org.label-schema.build-date=$BUILD_DATE \
-      org.label-schema.name="Ejabberd Community Server" \
+      org.label-schema.name="Ejabberd Community Server Official Docker Image" \
       org.label-schema.description="Robust, Scalable and Extensible Realtime Server using XMPP, MQTT and SIP" \
       org.label-schema.url="https://www.ejabberd.im/" \
       org.label-schema.vendor="ProcessOne" \